Pendulum Waves

[avandonk]

Thought this may be of interest.

http://www.youtube.com/watch?v=yVkdfJ9PkRQ

and

http://www.youtube.com/watch?v=1M8ciWSgc_k

there are more.

Bert

[ArcaneMagik]

Very cool visually. Makes my brain try and work out the maths involved which just gives me a headache.

Sadly, this is your brain on university education.